NetworkPkg/TlsAuthConfigDxe: Use HiiPopUp() instead of CreatePopUp()
    
    REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2635
    
    According to EDK2 Driver Writer's Guide For UEFI 2.3.1, 4.2.18 Offer
    alternatives to function keys. Configuration of drivers should be
    accomplished via HII and via OS-present interfaces.
    
    Cc: Jiaxin Wu <jiaxin.wu@intel.com>
    Cc: Siyuan Fu <siyuan.fu@intel.com>
    Signed-off-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
    Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
    Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>